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JON T NGUYEN M.D.
NPI 1780605113
Anesthesiology in Irvine, CA

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment
3943 IRVINE BLVD # 252, IRVINE, CA 92602(714) 922-0120(949) 919-7690 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Jon T Nguyen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JON T NGUYEN M.D. (NPI 1780605113) is an individual anesthesiology provider in Irvine, California, licensed in California (A77460) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2000).

NPPES Registry Identity

NPI1780605113
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJON T NGUYENCredential: M.D.
Location Address3943 IRVINE BLVD # 252Irvine, CA 92602-2400
Mailing Address3943 Irvine Blvd # 252Irvine, CA 92602-2400 · (714) 922-0120 · Fax (949) 919-7690
Phone(714) 922-0120
Fax(949) 919-7690
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2000
Enumeration DateJuly 21, 2006
Last NPPES UpdateFebruary 27, 2026
NPPES CertifiedFebruary 27, 2026
✔ NPI 1780605113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A77460
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3943 IRVINE BLVD # 252, Irvine, CA 92602
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Other Identifiers 2

Medicaid00A774600CA
Other00A774600CA · Blue Shield

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jon T Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032195565
PECOS Enrollment IDI20040625000794
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jon Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Talbert Anesthesia Group Incorporated
18 mi
Anesthesiology
10904 REAGAN ST
Los Alamitos, CA 90720
  • Reassigned Medicare billing, California enrollment
  • 63 clinicians in this Medicare group
NPI 1144626714 (562) 596-3140
Allied Anesthesia Medical Group Inc
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
No phone listed

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

QUINN LE CRNA
Nurse Anesthetist, Certified Registered
3943 IRVINE BLVD # 252
IRVINE, CA 92602
Orange County (714) 922-0120

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jon Nguyen's NPI number?

The NPI number for Jon Nguyen is 1780605113. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Jon Nguyen located?

Jon Nguyen practices at 3943 Irvine Blvd # 252, Irvine, CA 92602. The listed phone number is (714) 922-0120.

What is Jon Nguyen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jon Nguyen enrolled in Medicare?

Yes. Jon Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jon Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jon Nguyen reassigns Medicare benefits to 2 organizations: Talbert Anesthesia Group Incorporated (Los Alamitos, CA) and Allied Anesthesia Medical Group Inc (CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jon Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jon Nguyen was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.